DICP OpenIR
PCDD/F, PAH and heavy metals in the sewage sludge from six wastewater treatment plants in Beijing, China
Dai, Jiayin; Xu, Muqi; Chen, Jiping; Yang, Xiangping; Ke, Zhenshan
关键词Sewage Sludge Heavy Metals Pcdd/f Pahs Homologue Profile
刊名CHEMOSPHERE
2007
DOI10.1016/j.chemosphere.2006.04.072
66期:2页:353-361
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]DIBENZO-P-DIOXINS ; POLYCYCLIC AROMATIC-HYDROCARBONS ; AMENDED SOILS ; ORGANIC CONTAMINANTS ; LAND APPLICATION ; TRACE-ELEMENTS ; AIR-POLLUTION ; PCDF ; SAMPLES ; FATE
英文摘要In order to better understand land application of sewage sludge, the characterization of heavy metals, PCDD/F and PAHs in sewage sludge was investigated from six different wastewater treatment plants (WWTP) in Beijing City, China. It was found that the total concentrations of Zn in Wujiacun (WJC) sewage sludge, and Cd and Hg in sewage sludge generated from all of the six different places are higher than Chinese regulation limit of pollutants for sludge to be used for agriculture (GB 18918-2002). The levels of 16 PAHs that have been categorized as priority pollutants by US EPA in the sewage sludge samples varied from 2467 to 25923 mu g/kg (dry weight), the highest values of 25923 pg/kg being found in WJC WWTP. The concentrations of Benzo[a]pyrene were as high as 6.1 mg/kg dry weight in WJC sewage sludge, exceeding the maximum permitted content by GB 18918-2002. Individual PAH content varies considerably with sewage samples. The ratios of anthracene to anthracene plus phenanthrene (An/178), benz[a]anthracene to benz[a]anthracene plus chrysene (BaA/228), indene[1,2,3-cd]pyrene to indene[1,2,3-cd] pyrene plus benzo[g,h,i]perylene (In/In + BP), and fluoranthene to fluoranthene plus pyrene (Fl/Fl + Py) suggest that petroleum and combustion of fossil fuel were the dominant contributions for the PAHs in sewage sludge. The concentrations of total PCDD/F in the sewage sludge ranged from 330 to 4245 pg/g d.w. The toxicity equivalent concentrations is between 3.47-88.24 pg I-TEQ according to NATO/CCMS, which is below Chinese legislation limit value proposed for land application. The PCDD/F congener/homologue profiles found in the Beijing samples indicated that the high chlorinated PCDD/F contamination might originate mainly from PCP-related source and depositional sources while the low chlorinated PCDD/F homologues could be originating from incineration or coal combustion. The major source of PCDD/Fs in Beijing sludge is still unclear. (c) 2006 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000243863000021
引用统计
被引频次:138[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140710
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Beijing Drainage Grp Co, Beijing 100022, Peoples R China
推荐引用方式
GB/T 7714
Dai, Jiayin,Xu, Muqi,Chen, Jiping,et al. PCDD/F, PAH and heavy metals in the sewage sludge from six wastewater treatment plants in Beijing, China[J]. CHEMOSPHERE,2007,66(2):353-361.
APA Dai, Jiayin,Xu, Muqi,Chen, Jiping,Yang, Xiangping,&Ke, Zhenshan.(2007).PCDD/F, PAH and heavy metals in the sewage sludge from six wastewater treatment plants in Beijing, China.CHEMOSPHERE,66(2),353-361.
MLA Dai, Jiayin,et al."PCDD/F, PAH and heavy metals in the sewage sludge from six wastewater treatment plants in Beijing, China".CHEMOSPHERE 66.2(2007):353-361.
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